EN 1.4938 Stainless Steel vs. ASTM A414 Steel
Both EN 1.4938 stainless steel and ASTM A414 steel are iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is EN 1.4938 stainless steel and the bottom bar is ASTM A414 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 16 to 17 | |
| 15 to 26 |
| Fatigue Strength, MPa | 390 to 520 | |
| 140 to 260 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 76 | |
| 73 |
| Shear Strength, MPa | 540 to 630 | |
| 230 to 370 |
| Tensile Strength: Ultimate (UTS), MPa | 870 to 1030 | |
| 360 to 590 |
| Tensile Strength: Yield (Proof), MPa | 640 to 870 | |
| 190 to 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 750 | |
| 400 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1460 |
| Melting Onset (Solidus), °C | 1420 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 30 | |
| 49 to 50 |
| Thermal Expansion, µm/m-K | 11 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.9 | |
| 7.2 to 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.3 | |
| 8.3 to 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 2.2 |
| Density, g/cm3 | 7.8 | |
| 7.8 to 7.9 |
| Embodied Carbon, kg CO2/kg material | 3.3 | |
| 1.5 to 1.6 |
| Embodied Energy, MJ/kg | 47 | |
| 20 to 22 |
| Embodied Water, L/kg | 110 | |
| 48 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 160 | |
| 69 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1050 to 1920 | |
| 100 to 330 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 31 to 37 | |
| 13 to 21 |
| Strength to Weight: Bending, points | 26 to 29 | |
| 14 to 20 |
| Thermal Diffusivity, mm2/s | 8.1 | |
| 13 |
| Thermal Shock Resistance, points | 30 to 35 | |
| 11 to 17 |